Reply on topic: China Tunnel Company finish patent design tunnel on 1000 km China-Laos railway
...China, to Vientiane with an operating speed of 160 km per hour. http://www.china.org.cn/world/Off_the_Wire/2020-04/29/content_75990575.htm #CREC5...Tags: CREC5, China, tunnel, technoloigy
cover tunnel photo by: Matt Brown from London, England / CC BY
Copyright 2019-2024 TunnelContact.com